Free roof inspection with deck photos before we talk money - GAF and Owens Corning certified installation
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AfterFast, Reliable Roofing Company Across Lawndale
Mercer Roofing handles roof repair, roof replacement, and full roofing services throughout Lawndale, CA. Most repair calls in Lawndale run $350 – $950 depending on what’s actually failing, and full tear-offs on postwar tract homes typically land between $12,500 and $22,000. We’re part of the Threshold Group family, founded in 2000, and our Roofing Company crews work the South Bay daily. Every job starts with a written price before any work begins, and every technician arrives in uniform with a photo ID badge. Call (743) 200-8347 for a free estimate.
Why Mercer Roofing Is Lawndale’s Preferred Roofing Company
Lawndale homeowners deal with a specific set of roof problems that other companies often misdiagnose. The marine layer rolling in from Redondo Beach keeps roofs damp for months at a time, and the postwar housing stock means we’re usually pulling back layers on homes built before 1965. Our crews know the difference between surface granule loss and the kind of moisture damage hiding in 1×6 skip sheathing. We don’t guess at it. We scan the decking, show you what we found, and put the fix in writing before a nail is driven.
Every Mercer technician is background-checked and identity-verified under the Threshold Verified standard. You’ll know the technician’s name and see their photo before they arrive. At the door, they badge in with that same photo ID. For a homeowner who’s often alone during the day, or has young kids, that’s not a small detail. It’s the difference between opening the door with confidence and wondering who’s out there.
Grant Whitlock leads our team, and the 365-Day Done Right Promise backs every repair we make. If it’s not right within a year, we make it right. That’s not language buried in fine print. It’s the guarantee on your invoice.
Commercial Roofing in Lawndale
Commercial Roofing in Lawndale means something different from what most people picture. We’re not talking about massive industrial parks. We’re talking about the flat and low-slope roofs over duplexes, small office buildings, storefronts along Hawthorne Boulevard, and the carport-to-unit conversions scattered through the city’s older neighborhoods. Those roofs are usually original built-up tar-and-gravel assemblies from the 1950s and 1960s, and they’ve been holding water longer than they should have.
What a Commercial Flat Roof Job Actually Involves
Most commercial roof work in Lawndale starts as a leak call and turns into a layering problem. You’ll have torch-down installed over deteriorated tar-and-gravel, over rotted sheathing, and the only real fix is a tear-off. A typical small commercial flat roof here runs $9 – $18 per square foot for full tear-off and replacement, depending on what the deck inspection shows. We quote the visible scope, write allowances for hidden rot, and get approval in writing before any added cost is incurred.
Ponding Water on Lawndale Flat Roofs
The marine layer keeps these roofs damp enough that ponding water rarely fully evaporates. Over years, that standing moisture works through seams and flashing until the decking underneath is compromised. By the time you see a ceiling stain, the structural layer has usually been wet for a while. Our crews check the deck with moisture meters before recommending any re-coat. Skipping that step is how Lawndale roofs get a “simple” patch that fails within a season.
Metal Roof Installation in Lawndale
Metal Roof Installation in Lawndale has to account for coastal humidity, not coastal storms. We don’t get the big rain events that make metal roofing a no-brainer in other climates. What we do get is persistent damp, which means a metal roof here has to be detailed the right way at the edges: drip edge set correctly, fasteners with the right washers, and proper underlayment. Done right, a metal roof on a Lawndale home lasts 40 to 60 years and shrugs off the algae and lichen growth that wrecks asphalt shingles.
Metal Roof Costs on Postwar Homes
A standing-seam metal roof in Lawndale typically runs $18 – $28 per square foot installed. That’s higher than asphalt, but the lifespan is three to four times longer. If you’re planning to stay in the house, it’s often the last roof you’ll pay for. The other advantage here: metal doesn’t absorb the nightly moisture the way asphalt granules do, so you avoid the granule loss and biological growth that shortens shingle life in this climate.
What We Check Before Quoting Metal
Before we quote a metal roof on a 1950s Lawndale home, we verify the decking can handle it. Some older homes have 24-inch rafter spacing with 1×6 skip sheathing that flexes under the metal’s fastener pattern. If the deck is undersized, we’ll include re-sheathing in the quote rather than discovering it mid-job. Again, written pricing before work starts, with allowances spelled out for anything we can’t see until we open the roof.
Trusted Brands We Service in Lawndale
We install and repair shingle roofs using manufacturer-recognized brands including GAF, Atlas, and CertainTeed. For Lawndale homeowners, the brand matters less than the installation detail, but we stock common components locally so repairs don’t wait on shipping from a distributor across town. If your roof has a specific shingle profile from a previous install, we can match it. If the existing shingle is discontinued, we’ll tell you upfront and give you written options before we touch anything. No surprises on your invoice, the same as every other part of the job.
Common Roofing Company Problems We See in Lawndale Homes
- Marine layer moisture trapped in old decking. Lawndale sits about 3 miles inland from Redondo Beach, close enough that roofs absorb coastal humidity year-round but far enough that homeowners don’t think of it as a coastal problem. That chronic damp, without real rain to flush it off, accelerates rot in decking and corrosion in flashing faster than in Hawthorne or Gardena just a few miles east.
- Repeated patches on flat carport roofs. The 1945-1965 tract homes that dominate Lawndale often have flat or low-slope sections over rear additions and attached carports. These are frequently original tar-and-gravel assemblies that have been patched with mismatched layers over the years. What looks like a simple re-coat is usually a full tear-off once the layers come off.
- 24-inch rafter spacing under old skip sheathing. Many Lawndale homes were framed with 1×6 skip sheathing never intended to support today’s heavier architectural shingles. Tear-offs routinely reveal decking that fails a Tramex moisture scan, not just worn surfacing. Installing over compromised decking means fasteners pull loose within one or two marine-layer seasons.
- Algae streaking and lichen on asphalt shingles. The South Bay’s marine layer keeps roofs damp through the night without full drying in the day, which feeds biological growth. Homeowners see dark streaks and assume it’s cosmetic. It’s actually evidence the shingle granules are breaking down faster than the shingle’s rated lifespan.
Pricing for Roofing Company in Lawndale, CA
Here’s what Lawndale homeowners can expect on typical roofing work. Roof repairs run $350 – $950 for flashing, small leak fixes, shingle replacement, and valley work. Full tear-off and re-shingle on a postwar tract home typically lands between $12,500 and $22,000 depending on square footage, pitch, and what we find under the old roof. Flat roof tear-offs on carports or additions run $9 – $18 per square foot. Metal roof installation runs $18 – $28 per square foot. What moves the number most on older Lawndale homes is decking condition. If the skip sheathing is rotted, re-decking adds $3 – $6 per square foot. You’ll get a written line-item quote before any work starts, and the price doesn’t change unless you approve a change in writing. Call (743) 200-8347 for a free estimate.
We Also Serve Cities Near Lawndale
Our crews cover the full South Bay. If you’re in Hawthorne, Manhattan Beach, Hermosa Beach, or Gardena, the same Roofing Company in Lawndale standards apply: written pricing, photo-badged technicians, and the 365-Day Done Right Promise on every repair. Dispatch is coordinated from our Los Angeles office, but the crews work locally across these cities every week.
Serving Lawndale, CA - Our Local Coverage Area
We’re based in the Lawndale area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs About Roofing Company in Lawndale
Because the patches are being applied over layers that were already failing. Lawndale’s original flat roofs from the 1950s and 1960s are usually built-up tar-and-gravel over 1×6 sheathing, and decades of marine-layer moisture have rotted the decking beneath. A patch seals the top layer but doesn’t address what’s happening underneath, so water finds another path within a season or two. The real fix is a tear-off to inspect the deck, replace rotted sheathing, and install new membrane and flashing as one system. Call (743) 200-8347 for an exact assessment; estimates are free.
Yes, a roof replacement in Lawndale requires a permit, and we pull it for you. Once the roof is opened, the permit triggers code upgrades that older homes often lack: drip edge at the eaves, correct flashing at roof-to-wall junctions, and ice and water shield in the valleys. On a 1950s home with original skip sheathing, the building inspector will also require the decking to be sound before new underlayment goes down. We handle every inspection and make sure the work passes before we call the job done. Call (743) 200-8347 and we’ll walk you through what your roof will trigger.
Only if the sheathing passes a moisture scan and meets current code for the shingle you’re installing. Most of the time it doesn’t. The 1×6 skip sheathing on Lawndale’s postwar tract homes was sized for lightweight three-tab shingles, not today’s architectural shingles, and decades of marine-layer moisture have often softened it. If we find rot, the fix is re-sheathing, not sealing over it. Installing new roofing over compromised decking means fasteners pull loose within a year or two. We’ll show you the meter readings and get your written approval before any re-deck cost is added. Call (743) 200-8347 for a free inspection.
Look at what each bid says about the decking, the underlayment, and the permit. A lower bid often assumes the existing skip sheathing is reusable and skips the re-deck allowance that a Lawndale-era home almost always needs. Another common gap: whether the bid includes code upgrades like drip edge, valley ice and water shield, and flashing at roof-to-wall junctions. If one bid is missing those, the price will jump once the job starts. Our written quotes include line items for every part of the job, with allowances spelled out for anything we can’t see until the roof is open. That makes comparing bids straightforward. Call (743) 200-8347 for a detailed written estimate.
Yes. Lawndale’s marine layer keeps roofs damp for long stretches, which shortens the life of asphalt shingles through biological growth and granule loss even without heavy rain. For homeowners planning to stay long-term, we often recommend metal roofing, which resists algae and moisture absorption and lasts 40 to 60 years with proper detailing at the edges. For asphalt, we may recommend algae-resistant shingle lines and will always install the underlayment and ventilation correctly for a damp coastal climate. The material choice depends on your budget and how long you plan to stay. Call (743) 200-8347 and we’ll give you straight answers, not a sales pitch.
On a 1953 tract home near the corner of Grevillea Avenue and 168th Street, our crew tore back four mismatched layers on a rear-addition flat roof: torch-down over failed tar-and-gravel over rotted 1×6 sheathing. The final torch pass had even scorched the fascia near the roof-to-wall junction. We replaced the sheathing, installed new ice and water shield through the valleys, and set a new drip edge five-eighths past the wood before the homeowner approved the added decking cost in writing. Once the decking was sound, we finished the low-slope sections and tied them into new architectural shingles with a proper starter strip and ridge vent on the main gable. That’s what a Lawndale flat-roof job actually looks like once you pull the layers back.
Contact Mercer Roofing in Lawndale
If you’re dealing with a leak, planning a replacement, or just want an honest read on your roof’s condition, call (743) 200-8347. A live person answers, day or night. We’ll schedule a free estimate, send you the technician’s name and photo before the visit, and put every price in writing before any work starts. No pressure, no surprises, just a straight answer about what your roof needs and what it costs.
Written by Grant Whitlock, Owner at Mercer Roofing, serving Lawndale and the South Bay since 2000.